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[DFSan] Remove unused IRBuilder. NFC
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Authored by morehouse on Feb 26 2020, 8:46 AM.

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rG2a29617b9d15: [DFSan] Remove unused IRBuilder. NFC

	Time	Test
	1,960 ms	libc++.std/thread/thread_mutex/thread_mutex_requirements/thread_sharedtimedmutex_requirements/thread_sharedtimedmutex_class::Unknown Unit Message ("")

LGTM

This revision is now accepted and ready to land.Feb 27 2020, 2:39 PM

This revision was automatically updated to reflect the committed changes.

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llvm/

lib/

Transforms/

Instrumentation/

1 line

Show First 20 Lines • Show All 1,310 Lines • ▼ Show 20 Lines	void DFSanVisitor::visitLoadInst(LoadInst &LI) {
uint64_t Align;		uint64_t Align;
if (ClPreserveAlignment) {		if (ClPreserveAlignment) {
Align = LI.getAlignment();		Align = LI.getAlignment();
if (Align == 0)		if (Align == 0)
Align = DL.getABITypeAlignment(LI.getType());		Align = DL.getABITypeAlignment(LI.getType());
} else {		} else {
Align = 1;		Align = 1;
}		}
IRBuilder<> IRB(&LI);
Value *Shadow = DFSF.loadShadow(LI.getPointerOperand(), Size, Align, &LI);		Value *Shadow = DFSF.loadShadow(LI.getPointerOperand(), Size, Align, &LI);
if (ClCombinePointerLabelsOnLoad) {		if (ClCombinePointerLabelsOnLoad) {
Value *PtrShadow = DFSF.getShadow(LI.getPointerOperand());		Value *PtrShadow = DFSF.getShadow(LI.getPointerOperand());
Shadow = DFSF.combineShadows(Shadow, PtrShadow, &LI);		Shadow = DFSF.combineShadows(Shadow, PtrShadow, &LI);
}		}
if (Shadow != DFSF.DFS.ZeroShadow)		if (Shadow != DFSF.DFS.ZeroShadow)
DFSF.NonZeroChecks.push_back(Shadow);		DFSF.NonZeroChecks.push_back(Shadow);

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